Cursive/utils.lua

if not Cursive.superwow then
	return
end

local utils = {}

utils.strsplit = function(delimiter, subject)
	if not subject then
		return nil
	end
	local delimiter, fields = delimiter or ":", {}
	local pattern = string.format("([^%s]+)", delimiter)
	string.gsub(subject, pattern, function(c)
		fields[table.getn(fields) + 1] = c
	end)
	return unpack(fields)
end

utils.round = function(input, places)
	if not places then
		places = 0
	end
	if type(input) == "number" and type(places) == "number" then
		local pow = 1
		for i = 1, places do
			pow = pow * 10
		end
		return floor(input * pow + 0.5) / pow
	end
end

utils.IsValidAnchor = function(anchor)
	if anchor == "TOP" then
		return true
	end
	if anchor == "TOPLEFT" then
		return true
	end
	if anchor == "TOPRIGHT" then
		return true
	end
	if anchor == "CENTER" then
		return true
	end
	if anchor == "LEFT" then
		return true
	end
	if anchor == "RIGHT" then
		return true
	end
	if anchor == "BOTTOM" then
		return true
	end
	if anchor == "BOTTOMLEFT" then
		return true
	end
	if anchor == "BOTTOMRIGHT" then
		return true
	end
	return false
end

utils.GetBestAnchor = function(self)
	local scale = self:GetScale()
	local x, y = self:GetCenter()
	local a = GetScreenWidth() / scale / 3
	local b = GetScreenWidth() / scale / 3 * 2
	local c = GetScreenHeight() / scale / 3 * 2
	local d = GetScreenHeight() / scale / 3
	if not x or not y then
		return
	end

	if x < a and y > c then
		return "TOPLEFT"
	elseif x > a and x < b and y > c then
		return "TOP"
	elseif x > b and y > c then
		return "TOPRIGHT"
	elseif x < a and y > d and y < c then
		return "LEFT"
	elseif x > a and x < b and y > d and y < c then
		return "CENTER"
	elseif x > b and y > d and y < c then
		return "RIGHT"
	elseif x < a and y < d then
		return "BOTTOMLEFT"
	elseif x > a and x < b and y < d then
		return "BOTTOM"
	elseif x > b and y < d then
		return "BOTTOMRIGHT"
	end
end

utils.ConvertFrameAnchor = function(self, anchor)
	local scale, x, y, _ = self:GetScale(), nil, nil, nil

	if anchor == "CENTER" then
		x, y = self:GetCenter()
		x, y = x - GetScreenWidth() / 2 / scale, y - GetScreenHeight() / 2 / scale
	elseif anchor == "TOPLEFT" then
		x, y = self:GetLeft(), self:GetTop() - GetScreenHeight() / scale
	elseif anchor == "TOP" then
		x, _ = self:GetCenter()
		x, y = x - GetScreenWidth() / 2 / scale, self:GetTop() - GetScreenHeight() / scale
	elseif anchor == "TOPRIGHT" then
		x, y = self:GetRight() - GetScreenWidth() / scale, self:GetTop() - GetScreenHeight() / scale
	elseif anchor == "RIGHT" then
		_, y = self:GetCenter()
		x, y = self:GetRight() - GetScreenWidth() / scale, y - GetScreenHeight() / 2 / scale
	elseif anchor == "BOTTOMRIGHT" then
		x, y = self:GetRight() - GetScreenWidth() / scale, self:GetBottom()
	elseif anchor == "BOTTOM" then
		x, _ = self:GetCenter()
		x, y = x - GetScreenWidth() / 2 / scale, self:GetBottom()
	elseif anchor == "BOTTOMLEFT" then
		x, y = self:GetLeft(), self:GetBottom()
	elseif anchor == "LEFT" then
		_, y = self:GetCenter()
		x, y = self:GetLeft(), y - GetScreenHeight() / 2 / scale
	end

	return anchor, utils.round(x, 2), utils.round(y, 2)
end

local _r, _g, _b, _a
utils.rgbhex = function(r, g, b, a)
	if type(r) == "table" then
		if r.r then
			_r, _g, _b, _a = r.r, r.g, r.b, (r.a or 1)
		elseif table.getn(r) >= 3 then
			_r, _g, _b, _a = r[1], r[2], r[3], (r[4] or 1)
		end
	elseif tonumber(r) then
		_r, _g, _b, _a = r, g, b, (a or 1)
	end

	if _r and _g and _b and _a then
		-- limit values to 0-1
		_r = _r + 0 > 1 and 1 or _r + 0
		_g = _g + 0 > 1 and 1 or _g + 0
		_b = _b + 0 > 1 and 1 or _b + 0
		_a = _a + 0 > 1 and 1 or _a + 0
		return string.format("|c%02x%02x%02x%02x", _a * 255, _r * 255, _g * 255, _b * 255)
	end

	return ""
end

utils.GetReactionColor = function(unitstr)
	local color = UnitReactionColor[UnitReaction(unitstr, "player")]
	local r, g, b = .8, .8, .8

	if color then
		r, g, b = color.r, color.g, color.b
	end

	return utils.rgbhex(r, g, b), r, g, b
end

utils.GetUnitColor = function(unitstr)
	local r, g, b = .8, .8, .8

	if UnitIsPlayer(unitstr) then
		local _, class = UnitClass(unitstr)

		if RAID_CLASS_COLORS[class] then
			r, g, b = RAID_CLASS_COLORS[class].r, RAID_CLASS_COLORS[class].g, RAID_CLASS_COLORS[class].b
		end
	else
		return utils.GetReactionColor(unitstr)
	end

	return utils.rgbhex(r, g, b), r, g, b
end

utils.GetLevelColor = function(unitstr)
	local color = GetDifficultyColor(UnitLevel(unitstr))
	local r, g, b = .8, .8, .8

	if color then
		r, g, b = color.r, color.g, color.b
	end

	return utils.rgbhex(r, g, b), r, g, b
end

utils.GetLevelString = function(unitstr)
	local level = UnitLevel(unitstr)
	if level == -1 then
		level = "??"
	end

	local elite = UnitClassification(unitstr)
	if elite == "worldboss" then
		level = level .. "B"
	elseif elite == "rareelite" then
		level = level .. "R+"
	elseif elite == "elite" then
		level = level .. "+"
	elseif elite == "rare" then
		level = level .. "R"
	end

	return level
end

utils.GetLowercaseSpellNameNoRank = function(spellName)
	return string.lower(string.gsub(spellName, "%([rR]ank %d%)", ""))
end

Cursive.utils = utils